A New Sub-path Protection Algorithm Based on Auxiliary Virtual Topology in WDM Optical Networks

Author

Wang, Xuekui ; Guo, Lei ; Wang, Xingwei ; Zhang, Yu ; Zheng, Xiaobing

Author_Institution

Coll. of Inf. Sci. & Eng., Northeastern Univ., Shenyang

Volume

2

fYear

2008

fDate

11-13 Nov. 2008

Firstpage

209

Lastpage

213

Abstract

This paper proposes a new survivable algorithm named sub-path protection based on auxiliary virtual topology (SPAVT) to tolerate the single-link failure in WDM optical networks. According to the protection-switching time constraint, SPAVT constructs the virtual topology. Then, it only needs to run one time of routing algorithm to find the feasible virtual route in virtual topology. Simulation results show that SPAVT has smaller blocking probability and lower time complexity than conventional algorithms.

Keywords

communication complexity; optical communication; probability; telecommunication network routing; telecommunication network topology; wavelength division multiplexing; WDM optical network; auxiliary virtual topology; blocking probability; protection-switching time constraint; single-link failure; subpath protection algorithm; time complexity; virtual routing; Educational institutions; Information science; Information technology; Network topology; Optical fiber networks; Protection; Routing; Time factors; WDM networks; Wavelength division multiplexing;

fLanguage

English

Publisher

ieee

Conference_Titel

Convergence and Hybrid Information Technology, 2008. ICCIT '08. Third International Conference on

Conference_Location

Busan

Print_ISBN

978-0-7695-3407-7

Type

conf

DOI

10.1109/ICCIT.2008.69

Filename

4682241